Trouble shooting 9 OUTDOOR UNIT Error Method:

Trip terminal L error

Indicate or Display:

Refer to error code table.

Detective Actuators:

Outdoor unit Main PCB

Detective details:

When the signal from FO terminal of IPM in Main PCB is "L"(=0V) while the compressor stops.

Forecast of Cause :

1. Main PCB failure

Check Point 1 : Replace Main PCB

Change Main PCB.

02-11

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Fujitsu AOU12RL2, ASU12RL2, AOU09RL2 manual 02-11